Crystal Edit - syntax coloring text editor

////////////////////////////////////////////////////////////////////////////
//	File:		CFindTextDlg.cpp
//	Version:	1.0.0.0
//	Created:	29-Dec-1998
//
//	Author:		Stcherbatchenko Andrei
//	E-mail:		windfall@gmx.de
//
//	Implementation of the CFindTextDlg dialog, a part of Crystal Edit -
//	syntax coloring text editor.
//
//	You are free to use or modify this code to the following restrictions:
//	- Acknowledge me somewhere in your about box, simple "Parts of code by.."
//	will be enough. If you can't (or don't want to), contact me personally.
//	- LEAVE THIS HEADER INTACT
////////////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "CFindTextDlg.h"
#include "CCrystalTextView.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CFindTextDlg dialog

CFindTextDlg::CFindTextDlg(CCrystalTextView *pBuddy) : CDialog(CFindTextDlg::IDD, NULL)
{
	m_pBuddy = pBuddy;
	//{{AFX_DATA_INIT(CFindTextDlg)
	m_nDirection = 1;
	m_bMatchCase = FALSE;
	m_bWholeWord = FALSE;
	m_sText = _T("");
	//}}AFX_DATA_INIT
	m_ptCurrentPos = CPoint(0, 0);
}


void CFindTextDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CFindTextDlg)
	DDX_Radio(pDX, IDC_EDIT_DIRECTION_UP, m_nDirection);
	DDX_Check(pDX, IDC_EDIT_MATCH_CASE, m_bMatchCase);
	DDX_Text(pDX, IDC_EDIT_TEXT, m_sText);
	DDX_Check(pDX, IDC_EDIT_WHOLE_WORD, m_bWholeWord);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CFindTextDlg, CDialog)
	//{{AFX_MSG_MAP(CFindTextDlg)
	ON_EN_CHANGE(IDC_EDIT_TEXT, OnChangeEditText)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFindTextDlg message handlers

void CFindTextDlg::OnOK() 
{
	if (UpdateData())
	{
		ASSERT(m_pBuddy != NULL);
		DWORD dwSearchFlags = 0;
		if (m_bMatchCase)
			dwSearchFlags |= FIND_MATCH_CASE;
		if (m_bWholeWord)
			dwSearchFlags |= FIND_WHOLE_WORD;
		if (m_nDirection == 0)
			dwSearchFlags |= FIND_DIRECTION_UP;

		CPoint ptTextPos;
		if (! m_pBuddy->FindText(m_sText, m_ptCurrentPos, dwSearchFlags, TRUE, &ptTextPos))
		{
			CString prompt;
			prompt.Format(IDS_EDIT_TEXT_NOT_FOUND, m_sText);
			AfxMessageBox(prompt);
			m_ptCurrentPos = CPoint(0, 0);
			return;
		}

		m_pBuddy->HighlightText(ptTextPos, lstrlen(m_sText));

		CDialog::OnOK();
	}
}

void CFindTextDlg::OnChangeEditText() 
{
	CString text;
	GetDlgItem(IDC_EDIT_TEXT)->GetWindowText(text);
	GetDlgItem(IDOK)->EnableWindow(text != _T(""));
}

BOOL CFindTextDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();

	GetDlgItem(IDOK)->EnableWindow(m_sText != _T(""));

	return TRUE;
}

void CFindTextDlg::OnCancel() 
{
	VERIFY(UpdateData());

	CDialog::OnCancel();
}